Dr. Chen is a professor at Northeastern Illinois University. She teaches group counseling, individual counseling, theories in counseling and psychotherapy, mental health counseling, grief counseling, and stress management. In addition, she maintains her own private practice, on the side, in Illinois. She has received three Faculty Excellence Awards from Northeastern Illinois University. As well, she received the Beverly Brown Award for Outstanding Contributions to the Field of Group Counseling from the Illinois Association for Specialists in Group Work (IASGW). Besides the text of Group Leadership Skills, Dr. Chen also publishes Individual Counseling and Therapy: Skills and Techniques (3rd edition coming out in 2018) and has published many journal articles in related areas. Dr. Rybak was a professor and chair of the Department of Educational Leadership & Human Development at Bradley University and a specialist in group work. He taught group counseling, counseling diverse populations, practicum and internship in counseling, theories and techniques of counseling, and pre-practicum in counseling. Dr. Rybak served as the director of the ELH Counseling Clinic and several times as president of the Illinois Association for Specialists in Group Work. He received awards for innovative teaching and integrated learning, a research award, two Fulbright scholarship awards, and the Beverly Brown Award for Outstanding Contributions to the Field of Group Counseling from the Illinois Association for Specialists in Group Work (IASGW).